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4
Performance Characteristics
4.1
Efficiency Plots
Figure 2
shows the conversion efficiency versus output current for several input voltage conditions.
4.2
Turn-On Waveform
When applying power to the LM5005 evaluation board a certain soft-start sequence occurs.
shows the output voltage during a typical start-up sequence.
Conditions: Input Voltage = 36VDC, Output Current = 2A
Trace 1: Output Voltage Volts/div = 2V
Horizontal Resolution = 500 µsec/div
Figure 3. Output Voltage During a Typical Start-Up Sequence
SNVA298A – November 2007 – Revised April 2013
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100
80
60
V
= 7V
IN
40
20
0
0.0
0.5
Figure 2. Conversion Efficiency Versus Output Current
Copyright © 2007–2013, Texas Instruments Incorporated
V
= 24V
IN
V
= 48V
IN
V
= 75V
IN
1.0
1.5
2.0
2.5
I
(A)
OUT
AN-1748 LM5005 Evaluation Board
Performance Characteristics
Figure 3
3
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